Fix Issue #20 (#21)

Author: mikeebowen

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: 14
+          node-version: 18
       - run: npm install
       - run: xvfb-run -a npm test
         if: runner.os == 'Linux'
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 14
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - name: Install the dependencies
         run: npm i